Ny tombony lehibe amin’ny varavarana afo dia ny fitazonana ny fahamendrehana sy ny insulation mafana amin’ny vatan’ny varavarana mandritra ny fe-potoana iray. Ny varavaran’ny afo amin’ny trano dia ampiasaina mba hiarovana ny fiarovana antsika manokana, hanoherana ny fiparitahan’ny afo, ary hanome fotoana ho an’ny mpamono afo mba hiadiana amin’ny afo.

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